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Git
You will also need to install the Git version control software. This will be used to download third-party libraries onto your machine. The go get command relies on Git being installed on your system to download libraries and install them directly into your $GOPATH. You may also feel free to use Git to download the examples for each chapter. All of the examples in this book will be using open source libraries that are available on GitHub. You can install Git for your system by following the instructions at https://git-scm.com/download.
The Git command-line tool is a vast set of commands used for versioning, storing, and retrieving source code. These commands are the basis that power the GitHub website. It is highly recommended that you learn how to use the tool to interact with the GitHub site, rather than going through the UI.
The following is a screenshot of the Git download page, containing the links for your respective operating system:
